public class Bank {
    private int money;
    public void income(int in,int out) throws BankException {
        if(in<=0||out>=0||in+out<=0) {
	    throw new BankException(in,out);
	}
	int netIncome = in+out;
	System.out.printf("本次计算出的纯收入是:%d元\n",netIncome);
	money = money+netIncome;
    }
    public int getMoney() {
        return money;
    }
}
